# drm/amdkfd: Avoid integer underflow with ffs in EOP ring size calc

CVE record · `CVE-2026-98176`

- **Identifiers:** `CVE-2026-98176`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 10 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `14328aa58ce523a59996c5a82681c43ec048cc33 to before 1ab281c7ce2dc5195d337f2c16e22eba356b47f9` (git)
  - affected: `14328aa58ce523a59996c5a82681c43ec048cc33 to before 9e8f43579f849fba0dd1059160f50bd44a767366` (git)
  - affected: `14328aa58ce523a59996c5a82681c43ec048cc33 to before 82e1b8299c6da02ce02185c208d2fdf7572b5ea1` (git)
  - affected: `14328aa58ce523a59996c5a82681c43ec048cc33 to before c883d0a132d430ef7ebb23fd94323be94d0fbdb8` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.3`
  - unaffected: `before 5.3` (semver)
  - unaffected: `6.12.117 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.61 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 6 Oct 2026, 08:44 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-98176)
- 6 Oct 2026, 09:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-98176)

## Sources

- [CVE List: CVE-2026-98176](https://www.cve.org/CVERecord?id=CVE-2026-98176)
- [NVD: CVE-2026-98176](https://nvd.nist.gov/vuln/detail/CVE-2026-98176)

### References from the CNA

- <https://git.kernel.org/stable/c/1ab281c7ce2dc5195d337f2c16e22eba356b47f9>
- <https://git.kernel.org/stable/c/9e8f43579f849fba0dd1059160f50bd44a767366>
- <https://git.kernel.org/stable/c/82e1b8299c6da02ce02185c208d2fdf7572b5ea1>
- <https://git.kernel.org/stable/c/c883d0a132d430ef7ebb23fd94323be94d0fbdb8>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-98176>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98176/>. Everything for agents: <https://agentprime.io/llms.txt>.